LikeFolio's sentiment data on Walmart (WMT) shows that 90-day demand has moved up roughly 14%, about the same as the stock price year-over-year. However, as Landon Swan shows, Walmart demand is lagging compared to Target (TGT) and Costco (COST) even though it's ahead of Amazon (AMZN). He tells investors to keep an eye on any signs of growth deceleration in earnings, as any weakness can lead to a substantial stock pullback.